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Ubuntu Security Notice USN-1664-1
December 13, 2012
linux-ec2 vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 10.04 LTS
Summary:
The system's firewall could be bypassed by a remote attacker.
Software Description:
- linux-ec2: Linux kernel for EC2
Details:
Zhang Zuotao discovered a bug in the Linux kernel's handling of overlapping
fragments in ipv6. A remote attacker could exploit this flaw to bypass
firewalls and initial new network connections that should have been blocked
by the firewall.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 10.04 LTS:
linux-image-2.6.32-350-ec2 2.6.32-350.58
After a standard system update you need to reboot your computer to make
all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-1664-1
CVE-2012-4444
Package Information:
https://launchpad.net/ubuntu/+source/linux-ec2/2.6.32-350.58